#404347#404347

#404347 is a dark, near-neutral grey. Relative luminance 0.056; OKLCH L 38.2% C 0.008 H 255.5°. Best body text is #FFFFFF at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#404347
RGB	rgb(64, 67, 71)
HSL	hsl(214, 5%, 26%)
HSV	hsv(214, 10%, 28%)
CMYK	cmyk(9.9%, 5.6%, 0%, 72.2%)
CIE-LAB	lab(28.27, -0.30, -2.85)
CIE-LCH	lch(28.27, 2.86, 263.90°)
OKLab	oklab(38.15% -0.002 -0.0076)
OKLCH	oklch(38.15% 0.008 255.5)
XYZ	xyz(5.2586, 5.5592, 6.7560)
Luminance	0.0556 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404347 #474440

analogous

#404747 #404347 #414047

triadic

#404347 #474043 #434740

tetradic

#404347 #474047 #474440 #404741

square

#404347 #474047 #474440 #404741

split-complementary

#404347 #474140 #474740

monochromatic

#0F0F10 #232527 #404347 #5D6167 #7A8087

Accessibility & contrast

On white

9.94

#404347 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#404347 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404347

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404347	#FFFFFF	#000000	##FFFFFF
##404347	1.00	9.94	2.11	9.94
#FFFFFF	9.94	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424347

Deuteranopia (green-blind)

#414247

Tritanopia (blue-blind)

#3E4444

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #404347;
/* rgb */ color: rgb(64, 67, 71);
/* oklch */ color: oklch(38.2% 0.008 255.5);

Tailwind

colors: {
  custom: {
    50: '#74777a',
    500: '#404347',
    950: '#000000',
  },
}

SCSS

$custom: #404347;
$custom-light: #74777a;
$custom-dark: #000000;

JSON

{
  "hex": "#404347",
  "rgb": {
    "r": 64,
    "g": 67,
    "b": 71
  },
  "hsl": {
    "h": 214.286,
    "s": 5.185,
    "l": 26.471
  },
  "oklch": {
    "l": 0.38152,
    "c": 0.00789,
    "h": 255.5
  },
  "luminance": 0.05559
}

Semantic roles & 50–950 ramp

primary

#404347

secondary

#76726D

accent

#9879AE

background

#F7F7F7

surface

#EDEDED

border

#C8C8C8

text

#080809

muted

#7B7B7B

Preview Lab

Preview with #404347

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →